KMTA 38 Precision lock nuts with locking pin detail Specifications: Material : 52100 Chrome Steel Weight : 4.0 Kg   Main Dimensions: Thread (G) : M190X3 Outside diameter (d2) : 240 mm Outside diameter locating side face (d3) : 225 mm Inner diameter locating side face (d4) : 192 mm Width (B) : 32 mm Pitch diameter for pin-type face spanner (J1) : 224 mm Distance between holes for pin-wrench and locating side face (J2) : 17 mm Diameter holes for pin-type face spanner (N1) : 8.4 mm Diameter holes for pin-wrench (N2) : 10 mm Set / Locking screw size (d) : M10